Added detecting of missing columns in the synchro_data_xxx tables (in case of duplicate SQL column names in the orignal data model). See Trac #503.
Added detecting of missing columns in the synchro_data_xxx tables (in case of duplicate SQL column names in the orignal data model). See Trac #503.

ucbpi/itop,ucbpi/itop,ucbpi/itop,ucbpi/itop,ucbpi/itop